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Westersund · 07-04-2016, 03:02 AM

The S54 have solid lifters and that makes them noisier than an engine with hydraulic lifters, nothing wrong with your engine. The S38 in my E34 M5 sounds quite much at idle as well, that engine have solid lifters also.

Edit: KPop beat me to it.

07-04-2016, 03:02 AM	#9
Westersund Captain 500 Rep 876 Posts Drives: BMW Join Date: Nov 2011 Location: Hallstahammar iTrader: (1)	The S54 have solid lifters and that makes them noisier than an engine with hydraulic lifters, nothing wrong with your engine. The S38 in my E34 M5 sounds quite much at idle as well, that engine have solid lifters also. Edit: KPop beat me to it.
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